Home / 9,612.24-14,422.80-3,770.40

Finding the Fourth Proportional to 9,612.24, 14,422.80 and 3,770.40

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Solution

The fourth proportional to 9,612.24, 14,422.80 and 3,770.40 is: 5,657.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,612.24 : 14,422.80 = 3,770.40 : x
  2. Step 2: Convert to fraction form
    9,612.24/14,422.80 = 3,770.40/x
  3. Step 3: Cross multiply
    9,612.24x = 14,422.80 × 3,770.40
  4. Step 4: Simplify right side
    9,612.24x = 54,379,725.12
  5. Step 5: Solve for x
    x = 54,379,725.12/9,612.24
  6. Step 6: Final answer
    x = 5,657.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.